Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Millions, $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Accounts Receivable, allowance	$ 269	$ 279
Unbilled Revenues, allowance	$ 4	$ 4
Common Stock, authorized	1,000	1,000
Common Stock, issued	534	534
Treasury Stock, Shares	35	36
Public Service Electric and Gas Company [Member]
Accounts Receivable, allowance	$ 269	$ 279
Unbilled Revenues, allowance	$ 4	$ 4
Common Stock, authorized	150	150
Common Stock, issued	132	132
Common Stock, outstanding	132	132